Texas A&M's Johnny Manziel buckles his pads before a scrimmage at spring NCAA college football practice at Kyle Field in College Station, Texas, Saturday, March 23, 2013. (AP Photo/Bryan-College Station Eagle, Stuart Villanueva) ORG XMIT: TXBRY101 / Stuart Villanueva

by Paul Myerberg, USA TODAY Sports

by Paul Myerberg, USA TODAY Sports

Quarterback throws an interception. Jubilant graduate assistant â?? presumably working with the defense â?? jumps up and down in celebration. Quarterback shoves assistant. Teammates and coaches break up the pseudo-scrum before anything turns serious. Not a huge deal, right?

Manziel's offseason under the microscope continues with this tidbit from Brent Zwerneman of The Houston Chronicle, who notes that Manziel shoved an unnamed grad assistant after tossing the third of his three interceptions during Saturday's team scrimmage.

Per Zwerneman:

"Following his last of three interceptions, on a short pass into the end zone as he ran into the right sidelines, an exuberant graduate assistant jumped up and down within what appeared to be inches of an irate Manziel. So Manziel shoved him. Players and coaches, who were all gathered along the sidelines, quickly separated the giddy GA and Manziel before anything escalated."

As Zwerneman writes, the incident "left no doubt Manziel's competitive fire burns even during spring drills."

An under-recognized aspect of this story: A&M's defense picked off Manziel three times? That's a very good sign for the Aggies.